Stable three-dimensional spatiotemporal solitons in a two-dimensional phototnic lattice
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We investigate the existence and stability of three-dimensional spatiotemporal solitons in self-focusing cubic Kerr-type optical media with an imprinted two-dimensional harmonic transverse modulation of the refractive index. We demonstrate that two-dimensional photonic Kerr-type nonlinear lattices can support stable one-parameter families of three-dimensional spatiotemporal solitons provided that their energy is within a certain interval and the strength of the lattice potential, which is proportional to the refractive index modulation depth, is above a certain threshold value.
CitationMihalache, D., Mazilu, D., Lederer, F., Kartashov, Y.V., Crasovan, L., Torner, L. Stable three-dimensional spatiotemporal solitons in a two-dimensional phototnic lattice. "Physical review E, statistical physics, plasmas, fluids, and related interdisciplinary topics", Novembre 2004, vol. 70, p. 55603-55606.